submerged

/səbˈmɜrdʒd/
adjective
  1. Completely under the surface of water or another liquid.
    • The submerged rocks were dangerous for boats passing through the shallow river.
    • After the storm, the park bench was left submerged in a foot of water.
    • Divers explored the submerged ruins of the ancient city.
  2. Hidden or not easily noticed, often because something else is more important or obvious.
    • The report's main point was submerged in pages of unnecessary details.
    • Her submerged anger finally came out during the argument.
    • Many submerged talents in the community were discovered by the new art program.